Offensity vs. Tenable Nessus

Offensity is an automated vulnerability scanner helping professional IT teams identify and fix vulnerabilities. Offensity is an easy to use External Attack Surface Management solution and minimizes human effort in your team. You will be set up in minutes: IT admins enter and verify their domain (e.g. company-demo.com). Additional subdomains will be suggested automatically. Scanning starts. That’s it.

Built for security practitioners, by security professionals, Nessus products by Tenable are the de-facto industry standard for vulnerability assessment. Nessus performs point-in-time assessments to help security professionals quickly and easily identify and fix vulnerabilities, including software flaws, missing patches, malware, and misconfigurations - across a variety of operating systems, devices, and applications.